Respuesta :

Answer: y=4

Step-by-step explanation:

We have a khown angle wich is 30 degree .

Cos 30 = root square of 3 /2

So root sqaure of 3/2 = 4 root square 3 / x

X= 4 r.sq 3 / r.sq 3/2 = 8

So we just need to apply the pythagorian theorem

X^2= y^2+ 48

64 = y^2 +48

Y^2 = 16

Y=4